<?php  // $Id: moodleblock.class.php,v 1.92.2.9 2008/08/06 05:08:36 skodak Exp $

/**
 * This file contains the parent class for moodle blocks, block_base.
 *
 * @author Jon Papaioannou
 * @version  $Id: moodleblock.class.php,v 1.92.2.9 2008/08/06 05:08:36 skodak Exp $
 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
 * @package blocks
 */

/// Constants

/**
 * Block type of list. Contents of block should be set as an associative array in the content object as items ($this->content->items). Optionally include footer text in $this->content->footer.
 */
define('BLOCK_TYPE_LIST',	1);

/**
 * Block type of text. Contents of block should be set to standard html text in the content object as items ($this->content->text). Optionally include footer text in $this->content->footer.
 */
define('BLOCK_TYPE_TEXT',	2);

/**
 * Class for describing a moodle block, all Moodle blocks derive from this class
 *
 * @author Jon Papaioannou
 * @package blocks
 */
class block_base {

	/**
	 * Internal var for storing/caching translated strings
	 * @var string $str
	 */
	var $str;

	/**
	 * The title of the block to be displayed in the block title area.
	 * @var string $title
	 */
	var $title		 = NULL;

	/**
	 * The type of content that this block creates. Currently support options - BLOCK_TYPE_LIST, BLOCK_TYPE_TEXT
	 * @var int $content_type
	 */
	var $content_type  = BLOCK_TYPE_TEXT;

	/**
	 * An object to contain the information to be displayed in the block.
	 * @var stdObject $content
	 */
	var $content	   = NULL;

	/**
	 * A string generated by {@link _add_edit_controls()} to display block manipulation links when the user is in editing mode.
	 * @var string $edit_controls
	 */
	var $edit_controls = NULL;

	/**
	 * The current version that the block type defines.
	 * @var string $version
	 */
	var $version	   = NULL;

	/**
	 * The initialized instance of this block object.
	 * @var block $instance
	 */
	var $instance	  = NULL;

	/**
	 * An object containing the instance configuration information for the current instance of this block.
	 * @var stdObject $config
	 */
	var $config		= NULL;

	/** 
	 * How often the cronjob should run, 0 if not at all.
	 * @var int $cron
	 */

	var $cron		  = NULL;

	/**
	 * Indicates blocked is pinned - can not be moved, always present, does not have own context
	 */
	var $pinned		= false;

/// Class Functions

	/**
	 * The class constructor
	 *
	 */
	function block_base() {
		$this->init();
	}

	/**
	 * Fake constructor to keep PHP5 happy
	 *
	 */
	function __construct() {
		$this->block_base();
	}
	
	/** 
	 * Function that can be overridden to do extra setup after
	 * the database install. (Called once per block, not per instance!)
	 */
	function after_install() {
	}
	
	/**
	 * Function that can be overridden to do extra cleanup before
	 * the database tables are deleted. (Called once per block, not per instance!)
	 */
	function before_delete() {
	}
	
	/**
	 * Function that can be overridden to do extra setup after a block instance has been
	 * restored from backup. For example, it may need to alter any dates that the block
	 * stores, if the $restore->course_startdateoffset is set.  
	 */
	function after_restore($restore) {
	}

	/**
	 * Enable custom instance data section in backup and restore.
	 * 
	 * If return true, then {@link instance_backup()} and
	 * {@link instance_restore()} will be called during
	 * backup/restore routines.
	 *
	 * @return boolean
	 **/
	function backuprestore_instancedata_used() {
		return false;
	}

	/**
	 * Allows the block class to have a backup routine.  Handy 
	 * when the block has its own tables that have foreign keys to 
	 * other tables (example: user table).
	 * 
	 * Note: at the time of writing this comment, the indent level 
	 * for the {@link full_tag()} should start at 5.
	 *
	 * @param resource $bf Backup File
	 * @param object $preferences Backup preferences
	 * @return boolean
	 **/
	function instance_backup($bf, $preferences) {
		return true;
	}

	/**
	 * Allows the block class to restore its backup routine.
	 * 
	 * Should not return false if data is empty 
	 * because old backups would not contain block instance backup data.
	 * 
	 * @param object $restore Standard restore object
	 * @param object $data Object from backup_getid for this block instance
	 * @return boolean
	 **/
	function instance_restore($restore, $data) {
		return true;
	}

	/**
	 * Will be called before an instance of this block is backed up, so that any links in
	 * in config can be encoded. For example config->text, for the HTML block
	 * @return string
	 */
	function get_backup_encoded_config() {
		return base64_encode(serialize($this->config));
	}

	/**
	 * Return the content encoded to support interactivities linking. This function is
	 * called automatically from the backup procedure by {@link backup_encode_absolute_links()}.
	 *
	 * NOTE: There is no block instance when this method is called.
	 *
	 * @param string $content Content to be encoded
	 * @param object $restore Restore preferences object
	 * @return string The encoded content
	 **/
	function encode_content_links($content, $restore) {
		return $content;
	}

	/**
	 * This function makes all the necessary calls to {@link restore_decode_content_links_worker()}
	 * function in order to decode contents of this block from the backup 
	 * format to destination site/course in order to mantain inter-activities 
	 * working in the backup/restore process. 
	 * 
	 * This is called from {@link restore_decode_content_links()} function in the restore process.
	 *
	 * NOTE: There is no block instance when this method is called.
	 *
	 * @param object $restore Standard restore object
	 * @return boolean
	 **/
	function decode_content_links_caller($restore) {
		return true;
	}

	/**
	 * Return content decoded to support interactivities linking.
	 * This is called automatically from
	 * {@link restore_decode_content_links_worker()} function
	 * in the restore process.
	 *
	 * NOTE: There is no block instance when this method is called.
	 *
	 * @param string $content Content to be dencoded
	 * @param object $restore Restore preferences object
	 * @return string The dencoded content
	 **/
	function decode_content_links($content, $restore) {
		return $content;
	}

	/**
	 * Returns the block name, as present in the class name,
	 * the database, the block directory, etc etc.
	 *
	 * @return string
	 */
	function name() {
		// Returns the block name, as present in the class name,
		// the database, the block directory, etc etc.
		static $myname;
		if ($myname === NULL) {
			$myname = strtolower(get_class($this));
			$myname = substr($myname, strpos($myname, '_') + 1);
		}
		return $myname;
	}

	/**
	 * Parent class version of this function simply returns NULL
	 * This should be implemented by the derived class to return
	 * the content object.
	 *
	 * @return stdObject
	 */
	function get_content() {
		// This should be implemented by the derived class.
		return NULL;
	}

	/**
	 * Returns the class $title var value.
	 *
	 * Intentionally doesn't check if a title is set. 
	 * This is already done in {@link _self_test()}
	 *
	 * @return string $this->title
	 */
	function get_title() {
		// Intentionally doesn't check if a title is set. This is already done in _self_test()
		return $this->title;
	}

	/**
	 * Returns the class $content_type var value.
	 *
	 * Intentionally doesn't check if content_type is set. 
	 * This is already done in {@link _self_test()}
	 *
	 * @return string $this->content_type
	 */
	function get_content_type() {
		// Intentionally doesn't check if a content_type is set. This is already done in _self_test()
		return $this->content_type;
	}

	/**
	 * Returns the class $version var value.
	 *
	 * Intentionally doesn't check if a version is set. 
	 * This is already done in {@link _self_test()}
	 *
	 * @return string $this->version
	 */
	function get_version() {
		// Intentionally doesn't check if a version is set. This is already done in _self_test()
		return $this->version;
	}

	/**
	 * Returns true or false, depending on whether this block has any content to display
	 * and whether the user has permission to view the block
	 *
	 * @return boolean
	 */
	function is_empty() {

		if (empty($this->instance->pinned)) {
			$context = get_context_instance(CONTEXT_BLOCK, $this->instance->id);
		} else {
			$context = get_context_instance(CONTEXT_SYSTEM); // pinned blocks do not have own context
		}
		
		if ( !has_capability('moodle/block:view', $context) ) {
			return true;
		}

		$this->get_content();
		return(empty($this->content->text) && empty($this->content->footer));
	}

	/**
	 * First sets the current value of $this->content to NULL
	 * then calls the block's {@link get_content()} function
	 * to set its value back.
	 *
	 * @return stdObject
	 */
	function refresh_content() {
		// Nothing special here, depends on content()
		$this->content = NULL;
		return $this->get_content();
	}

	/**
	 * Display the block!
	 */
	function _print_block() {
		global $COURSE;

		// is_empty() includes a call to get_content()
		if ($this->is_empty() && empty($COURSE->javascriptportal)) {
			if (empty($this->edit_controls)) {
				// No content, no edit controls, so just shut up
				return;
			} else {
				// No content but editing, so show something at least
				$this->_print_shadow();
			}
		} else {
			if ($this->hide_header() && empty($this->edit_controls)) {
				// Header wants to hide, no edit controls to show, so no header it is
				print_side_block(NULL, $this->content->text, NULL, NULL, $this->content->footer, $this->html_attributes());
			} else {
				// The full treatment, please. Include the title text.
				print_side_block($this->_title_html(), $this->content->text, NULL, NULL, $this->content->footer, $this->html_attributes(), $this->title);
			}
		}
	}

	/**
	 * Block contents are missing. Simply display an empty block so that
	 * edit controls are accessbile to the user and they are aware that this
	 * block is in place, even if empty.
	 */
	function _print_shadow() {
		print_side_block($this->_title_html(), '&nbsp;', NULL, NULL, '', array('class' => 'hidden'), $this->title);
	}


	function _title_html() {
		global $CFG;

		//Accessibility: validation, can't have <div> inside <h2>, use <span>.
		$title = '<div class="title">';

		if (!empty($CFG->allowuserblockhiding)) {
			//Accessibility: added 'alt' text for the +- icon.
			//Theme the buttons using, Admin - Miscellaneous - smartpix.
			$strshow = addslashes_js(get_string('showblocka', 'access', strip_tags($this->title)));
			$strhide = addslashes_js(get_string('hideblocka', 'access', strip_tags($this->title)));
			$title .= '<input type="image" src="'.$CFG->pixpath.'/t/switch_minus.gif" '. 
				'id="togglehide_inst'.$this->instance->id.'" '.
				'onclick="elementToggleHide(this, true, function(el) {'.
				'return findParentNode(el, \'DIV\', \'sideblock\'); },'.
				' \''.$strshow.'\', \''.$strhide.'\'); return false;" '.
				'alt="'.$strhide.'" title="'.$strhide.'" class="hide-show-image" />';
		}

		//Accesssibility: added H2 (was in, weblib.php: print_side_block)
		$title .= '<h2>'.$this->title.'</h2>';

		if ($this->edit_controls !== NULL) {
			$title .= $this->edit_controls;
		}

		$title .= '</div>';
		return $title;
	}

	/**
	 * Sets class $edit_controls var with correct block manipulation links.
	 *
	 * @uses $CFG
	 * @uses $USER
	 * @param stdObject $options ?
	 * @todo complete documenting this function. Define $options.
	 */
	function _add_edit_controls($options) {
		global $CFG, $USER, $PAGE;
		
		if (empty($this->instance->pinned)) {
			$context = get_context_instance(CONTEXT_BLOCK, $this->instance->id);
		} else {
			$context = get_context_instance(CONTEXT_SYSTEM); // pinned blocks do not have own context
		}
		
		// context for site or course, i.e. participant list etc
		// check to see if user can edit site or course blocks.
		// blocks can appear on other pages such as mod and blog pages...

		switch ($this->instance->pagetype) {
			case 'course-view':
				if (!has_capability('moodle/site:manageblocks', $context)) {
					return null;
				}
			break;
			default:
			
			break;  
		}
		
		
		if (!isset($this->str)) {
			$this->str->delete	= get_string('delete');
			$this->str->moveup	= get_string('moveup');
			$this->str->movedown  = get_string('movedown');
			$this->str->moveright = get_string('moveright');
			$this->str->moveleft  = get_string('moveleft');
			$this->str->hide	  = get_string('hide');
			$this->str->show	  = get_string('show');
			$this->str->configure = get_string('configuration');
			$this->str->assignroles = get_string('assignroles', 'role');
		}

		// RTL support - exchange right and left arrows
		if (right_to_left()) {
			$rightarrow = 'left.gif';
			$leftarrow  = 'right.gif';
		} else {
			$rightarrow = 'right.gif';
			$leftarrow  = 'left.gif';
		}

		$movebuttons = '<div class="commands">';

		if ($this->instance->visible) {
			$icon = '/t/hide.gif';
			$title = $this->str->hide;
		} else {
			$icon = '/t/show.gif';
			$title = $this->str->show;
		}

		if (empty($this->instance->pageid)) {
			$this->instance->pageid = 0;
		}
		if (!empty($PAGE->type) and ($this->instance->pagetype == $PAGE->type) and $this->instance->pageid == $PAGE->id) {
			$page = $PAGE;
		} else {
			$page = page_create_object($this->instance->pagetype, $this->instance->pageid);
		}
		$script = $page->url_get_full(array('instanceid' => $this->instance->id, 'sesskey' => $USER->sesskey));

		if (empty($this->instance->pinned)) {
			$movebuttons .= '<a class="icon roles" title="'. $this->str->assignroles .'" href="'.$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.$context->id.'">' .
							'<img src="'.$CFG->pixpath.'/i/roles.gif" alt="'.$this->str->assignroles.'" /></a>';
		}
	 
		if ($this->user_can_edit()) {
			$movebuttons .= '<a class="icon hide" title="'. $title .'" href="'.$script.'&amp;blockaction=toggle">' .
							'<img src="'. $CFG->pixpath.$icon .'" alt="'.$title.'" /></a>';
		}

		if ($options & BLOCK_CONFIGURE && $this->user_can_edit()) {
			$movebuttons .= '<a class="icon edit" title="'. $this->str->configure .'" href="'.$script.'&amp;blockaction=config">' .
							'<img src="'. $CFG->pixpath .'/t/edit.gif" alt="'. $this->str->configure .'" /></a>';
		}

		if ($this->user_can_addto($page)) {
			$movebuttons .= '<a class="icon delete" title="'. $this->str->delete .'" href="'.$script.'&amp;blockaction=delete">' .
							'<img src="'. $CFG->pixpath .'/t/delete.gif" alt="'. $this->str->delete .'" /></a>';
		}

		if ($options & BLOCK_MOVE_LEFT) {
			$movebuttons .= '<a class="icon left" title="'. $this->str->moveleft .'" href="'.$script.'&amp;blockaction=moveleft">' .
							'<img src="'. $CFG->pixpath .'/t/'.$leftarrow.'" alt="'. $this->str->moveleft .'" /></a>';
		}
		if ($options & BLOCK_MOVE_UP) {
			$movebuttons .= '<a class="icon up" title="'. $this->str->moveup .'" href="'.$script.'&amp;blockaction=moveup">' .
							'<img src="'. $CFG->pixpath .'/t/up.gif" alt="'. $this->str->moveup .'" /></a>';
		}
		if ($options & BLOCK_MOVE_DOWN) {
			$movebuttons .= '<a class="icon down" title="'. $this->str->movedown .'" href="'.$script.'&amp;blockaction=movedown">' .
							'<img src="'. $CFG->pixpath .'/t/down.gif" alt="'. $this->str->movedown .'" /></a>';
		}
		if ($options & BLOCK_MOVE_RIGHT) {
			$movebuttons .= '<a class="icon right" title="'. $this->str->moveright .'" href="'.$script.'&amp;blockaction=moveright">' .
							'<img src="'. $CFG->pixpath .'/t/'.$rightarrow.'" alt="'. $this->str->moveright .'" /></a>';
		}

		$movebuttons .= '</div>';
		$this->edit_controls = $movebuttons;
	}

	/**
	 * Tests if this block has been implemented correctly.
	 * Also, $errors isn't used right now
	 *
	 * @return boolean
	 */
	 
	function _self_test() {
		// Tests if this block has been implemented correctly.
		// Also, $errors isn't used right now
		$errors = array();

		$correct = true;
		if ($this->get_title() === NULL) {
			$errors[] = 'title_not_set';
			$correct = false;
		}
		if (!in_array($this->get_content_type(), array(BLOCK_TYPE_LIST, BLOCK_TYPE_TEXT))) {
			$errors[] = 'invalid_content_type';
			$correct = false;
		}
		//following selftest was not working when roles&capabilities were used from block 
/*		if ($this->get_content() === NULL) {
			$errors[] = 'content_not_set';
			$correct = false;
		}*/
		if ($this->get_version() === NULL) {
			$errors[] = 'version_not_set';
			$correct = false;
		}

		$formats = $this->applicable_formats();
		if (empty($formats) || array_sum($formats) === 0) {
			$errors[] = 'no_formats';
			$correct = false;
		}

		$width = $this->preferred_width();
		if (!is_int($width) || $width <= 0) {
			$errors[] = 'invalid_width';
			$correct = false;
		}
		return $correct;
	}

	/**
	 * Subclasses should override this and return true if the
	 * subclass block has a config_global.html file.
	 *
	 * @return boolean
	 */
	function has_config() {
		return false;
	}

	/**
	 * Default behavior: print the config_global.html file
	 * You don't need to override this if you're satisfied with the above
	 *
	 * @uses $CFG
	 * @return boolean
	 */
	function config_print() {
		// Default behavior: print the config_global.html file
		// You don't need to override this if you're satisfied with the above
		if (!$this->has_config()) {
			return false;
		}
		global $CFG;
		print_simple_box_start('center', '', '', 5, 'blockconfigglobal');
		include($CFG->dirroot.'/blocks/'. $this->name() .'/config_global.html');
		print_simple_box_end();
		return true;
	}
	
	/**
	 * Default behavior: save all variables as $CFG properties
	 * You don't need to override this if you 're satisfied with the above
	 *
	 * @param array $data
	 * @return boolean
	 */
	function config_save($data) {
		foreach ($data as $name => $value) {
			set_config($name, $value);
		}
		return true;
	}
	
	/**
	 * Default case: the block can be used in all course types
	 * @return array
	 * @todo finish documenting this function
	 */
	function applicable_formats() {
		// Default case: the block can be used in courses and site index, but not in activities
		return array('all' => true, 'mod' => false, 'tag' => false);
	}
	

	/**
	 * Default case: the block wants to be 180 pixels wide
	 * @return int
	 */
	function preferred_width() {
		return 180;
	}
	
	/**
	 * Default return is false - header will be shown
	 * @return boolean
	 */
	function hide_header() {
		return false;
	}

	/**
	 * Default case: an id with the instance and a class with our name in it
	 * @return array
	 * @todo finish documenting this function
	 */
	function html_attributes() {
		return array('id' => 'inst'.$this->instance->id, 'class' => 'block_'. $this->name());
	}
	
	/**
	 * Given an instance set the class var $instance to it and
	 * load class var $config
	 * @param block $instance
	 * @todo add additional documentation to further explain the format of instance and config
	 */
	function _load_instance($instance) {
		if (!empty($instance->configdata)) {
			$this->config = unserialize(base64_decode($instance->configdata));
		}
		// [pj] This line below is supposed to be an optimization (we don't need configdata anymore)
		// but what it does is break in PHP5 because the same instance object will be passed to
		// this function twice in each page view, and the second time it won't have any configdata
		// so it won't work correctly. Thus it's commented out.
		// unset($instance->configdata);
		$this->instance = $instance;
		$this->specialization();
	}

	/**
	 * This function is called on your subclass right after an instance is loaded
	 * Use this function to act on instance data just after it's loaded and before anything else is done
	 * For instance: if your block will have different title's depending on location (site, course, blog, etc)
	 */
	function specialization() {
		// Just to make sure that this method exists.
	}

	/**
	 * Is each block of this type going to have instance-specific configuration?
	 * Normally, this setting is controlled by {@link instance_allow_multiple}: if multiple
	 * instances are allowed, then each will surely need its own configuration. However, in some
	 * cases it may be necessary to provide instance configuration to blocks that do not want to
	 * allow multiple instances. In that case, make this function return true.
	 * I stress again that this makes a difference ONLY if {@link instance_allow_multiple} returns false.
	 * @return boolean
	 * @todo finish documenting this function by explaining per-instance configuration further
	 */
	function instance_allow_config() {
		return false;
	}

	/**
	 * Are you going to allow multiple instances of each block?
	 * If yes, then it is assumed that the block WILL USE per-instance configuration
	 * @return boolean
	 * @todo finish documenting this function by explaining per-instance configuration further
	 */
	function instance_allow_multiple() {
		// Are you going to allow multiple instances of each block?
		// If yes, then it is assumed that the block WILL USE per-instance configuration
		return false;
	}

	/**
	 * Default behavior: print the config_instance.html file
	 * You don't need to override this if you're satisfied with the above
	 *
	 * @uses $CFG
	 * @return boolean
	 * @todo finish documenting this function
	 */
	function instance_config_print() {
		// Default behavior: print the config_instance.html file
		// You don't need to override this if you're satisfied with the above
		if (!$this->instance_allow_multiple() && !$this->instance_allow_config()) {
			return false;
		}
		global $CFG;

		if (is_file($CFG->dirroot .'/blocks/'. $this->name() .'/config_instance.html')) {
			print_simple_box_start('center', '', '', 5, 'blockconfiginstance');
			include($CFG->dirroot .'/blocks/'. $this->name() .'/config_instance.html');
			print_simple_box_end();
		} else {
			notice(get_string('blockconfigbad'), str_replace('blockaction=', 'dummy=', qualified_me()));
		}
		
		return true;
	}

	/**
	 * Serialize and store config data
	 * @return boolean
	 * @todo finish documenting this function
	 */
	function instance_config_save($data,$pinned=false) {
		$data = stripslashes_recursive($data);
		$this->config = $data;
		$table = 'block_instance';
		if (!empty($pinned)) {
			$table = 'block_pinned';
		}
		return set_field($table, 'configdata', base64_encode(serialize($data)), 'id', $this->instance->id);
	}

	/**
	 * Replace the instance's configuration data with those currently in $this->config;
	 * @return boolean
	 * @todo finish documenting this function
	 */
	function instance_config_commit($pinned=false) {
		$table = 'block_instance';
		if (!empty($pinned)) {
			$table = 'block_pinned';
		}
		return set_field($table, 'configdata', base64_encode(serialize($this->config)), 'id', $this->instance->id);
	}

	 /**
	 * Do any additional initialization you may need at the time a new block instance is created
	 * @return boolean
	 * @todo finish documenting this function
	 */
	function instance_create() {
		return true;
	}

	 /**
	 * Delete everything related to this instance if you have been using persistent storage other than the configdata field.
	 * @return boolean
	 * @todo finish documenting this function
	 */
	function instance_delete() {
		return true;
	}

	 /**
	 * Allows the block class to have a say in the user's ability to edit (i.e., configure) blocks of this type.
	 * The framework has first say in whether this will be allowed (e.g., no editing allowed unless in edit mode)
	 * but if the framework does allow it, the block can still decide to refuse.
	 * @return boolean
	 * @todo finish documenting this function
	 */
	function user_can_edit() {
		return true;
	}

	 /**
	 * Allows the block class to have a say in the user's ability to create new instances of this block.
	 * The framework has first say in whether this will be allowed (e.g., no adding allowed unless in edit mode)
	 * but if the framework does allow it, the block can still decide to refuse.
	 * This function has access to the complete page object, the creation related to which is being determined.
	 * @return boolean
	 * @todo finish documenting this function
	 */
	function user_can_addto(&$page) {
		return true;
	}

	function get_extra_capabilities() {
		return array('moodle/block:view');
	}
}

/**
 * Specialized class for displaying a block with a list of icons/text labels
 *
 * @author Jon Papaioannou
 * @package blocks
 */

class block_list extends block_base {
	var $content_type  = BLOCK_TYPE_LIST;

	function is_empty() {

		if (empty($this->instance->pinned)) {
			$context = get_context_instance(CONTEXT_BLOCK, $this->instance->id);
		} else {
			$context = get_context_instance(CONTEXT_SYSTEM); // pinned blocks do not have own context
		}
		
		if ( !has_capability('moodle/block:view', $context) ) {
			return true;
		}

		$this->get_content();
		return (empty($this->content->items) && empty($this->content->footer));
	}

	function _print_block() {
		global $COURSE;

		// is_empty() includes a call to get_content()
		if ($this->is_empty() && empty($COURSE->javascriptportal)) {
			if (empty($this->edit_controls)) {
				// No content, no edit controls, so just shut up
				return;
			} else {
				// No content but editing, so show something at least
				$this->_print_shadow();
			}
		} else {
			if ($this->hide_header() && empty($this->edit_controls)) {
				// Header wants to hide, no edit controls to show, so no header it is
				print_side_block(NULL, '', $this->content->items, $this->content->icons, 
								 $this->content->footer, $this->html_attributes());
			} else {
				// The full treatment, please. Include the title text.
				print_side_block($this->_title_html(), '', $this->content->items, $this->content->icons, 
								 $this->content->footer, $this->html_attributes(), $this->title);
			}
		}
	}

}

?>
